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-rw-r--r--README8
1 files changed, 5 insertions, 3 deletions
diff --git a/README b/README
index f27e578e72..2fcad7ff85 100644
--- a/README
+++ b/README
@@ -5587,15 +5587,17 @@ On ARM, the following registers are used:
R0: function argument word/integer result
R1-R3: function argument word
- R9: GOT pointer
- R10: stack limit (used only if stack checking if enabled)
+ R9: platform specific
+ R10: stack limit (used only if stack checking is enabled)
R11: argument (frame) pointer
R12: temporary workspace
R13: stack pointer
R14: link register
R15: program counter
- ==> U-Boot will use R8 to hold a pointer to the global data
+ ==> U-Boot will use R9 to hold a pointer to the global data
+
+ Note: on ARM, only R_ARM_RELATIVE relocations are supported.
On Nios II, the ABI is documented here:
http://www.altera.com/literature/hb/nios2/n2cpu_nii51016.pdf